CN203352303U - 60Hz full-rotation speed turbine generator - Google Patents
60Hz full-rotation speed turbine generator Download PDFInfo
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- CN203352303U CN203352303U CN 201320463197 CN201320463197U CN203352303U CN 203352303 U CN203352303 U CN 203352303U CN 201320463197 CN201320463197 CN 201320463197 CN 201320463197 U CN201320463197 U CN 201320463197U CN 203352303 U CN203352303 U CN 203352303U
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- turbine generator
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- end cap
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Abstract
The utility model discloses a 60Hz full-rotation speed turbine generator. The 60Hz full-rotation speed turbine generator comprises a stator (1), a rotor (2), a bearing (4), an air cooler (5) and an underframe (6); two ends of the stator (1) are provided with end covers (3); one end of the rotor (2) passes through the centers of the stator (1) and the end covers (3) and is fixed on the underframe (6) through the bearing at the exterior of one end cover (3) at one side; and the air cooler (5) is arranged on the stator (1). The 60Hz full-rotation speed turbine generator is made of a high-strength material and is provided with a plurality of ventilation slots, and therefore, the 60Hz full-rotation speed turbine generator is advantageous in excellent mechanical performance, fast ventilation and cooling, convenience in line embedding and maintenance, reduced loss, decreased maintenance cost and reasonable structure design, and can satisfy the requirement for high-rotation speed mechanical strength, and technically facilitate the expansion of overseas markets.
Description
Technical field
The utility model relates to the full rotation-speed steam turbine generator of a kind of 60Hz.
Background technology
Become turbo generator with the generator of Steam Turbine Driven, turbo generator is the generator supporting with steam turbine.Its rotating speed is generally 3000 rev/mins (frequency is 50 hertz) or 3600 rev/mins (frequency is 60 hertz).The high speed turbo generator is in order to reduce the mechanical stress produced because of centrifugal force and to reduce the windmill consumption, and root diameter is generally less, and length is large (being elongate rotor).This elongate rotor is restricted the rotor size of large high-speed turbo generator.After 20 century 70s, the heap(ed) capacity of turbo generator reaches 130～1,500,000 kilowatts.The country that the 60Hz turbo generator is 60Hz mainly for mains frequency, and it is less to send out the producer of machine for China's domestic production 60Hz vapour, main cause is that technology is immature, production equipment can not meet process requirements etc.For its full rotating speed motor, meeting under the prerequisite of electromagnetic performance, also need to meet mechanical requirement, full rotating speed vapour is sent out the machine rotating speed up to 3600r/min, all very high to the requirement of revolving part material, process equipment and each parts.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of a plurality of ventilation slots that are provided with are provided, good mechanical property, ventilation and heat are fast, rule and maintenance are convenient, can reduce the loss of generator, reduce the cost of overhaul, meet the high-revolving requirement of mechanical strength of full rotation-speed steam turbine generator, the full rotation-speed steam turbine generator of the 60Hz of reasonable in design.
The purpose of this utility model is achieved through the following technical solutions: the full rotation-speed steam turbine generator of 60Hz, it comprises stator, rotor, bearing, air cooler and underframe, the stator two ends are provided with end cap, one end of rotor passes the center of stator and end cap and is fixed on underframe by the bearing that is positioned at a side end cap outside, and the stator top is provided with air cooler.
Described stator comprises support, iron core and stator coil, and iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, and is divided into vertically at least two grades, is provided with " work " font ventilation steel channel between every two grades of iron cores and supports the radial ventilation ditch formed; Support is square, and length extends core end plate place, two ends, vertically by four wallboards, forms the air inlet/outlet district, and wallboard is coated with cover plate outward, and the both sides of wallboard are welded with joint hinge; Stator coil adopts basket type half coil, and is built up by dual-fiberglass wrapped flat copper wire, and stator coil end forms an integral body by triangular supports and interlayer filler strip with washing the colligation of glass rope; Stator coil winding is on iron core, and iron core circumferentially is fixed on the support bar of support by the dovetail slot at yoke back, and iron core adopts the method for trim ring and the welding of support wall to tighten up vertically.
Be milled with radial line embedding groove on described rotor body, and be provided with 4 ventilation slots, rotor body two ends hot jacket has collector ring, and two ends of rotor is equipped with the centrifugal fan of blade hypsokinesis.
Described end cap is the square structure that the employing Plate Welding forms, and is provided with the lead-out wire fairlead of inspection hole, fire extinguishing tube, gas sealing mechanism and stator on end cap.
Described bearing adopts the sliding bearing of pressure forced oil-circulation, bearing comprises the bearing cap at bearing pedestal, bearing two ends and the sphere bearing shell of energy automatic aligning, bearing pedestal is made of cast iron, be equipped with oil baffle on bearing cap, the vent plug of balanced oil pocket internal pressure is equipped with at the bearing pedestal top, and bearing pedestal below and flange all are lined with insulating material.
Described air cooler be positioned at the top of support and end cap and by bolt closing fixingly, air cooler is inputted stator coil end by cold wind by end cap, all is equipped with on end cap and support and measures the thermometer of importing and exporting wind-warm syndrome.
Described stator coil and iron core are equipped with the resistance temperature measurement element.
The beneficial effects of the utility model are: iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, rotating shaft selects the whole forging of the superior alloy steel of high magnetic conduction to form, and be provided with a plurality of ventilation slots, good mechanical property, ventilation and heat are fast, rule and maintenance are convenient, can reduce the loss of generator, reduce the cost of overhaul, meet the high-revolving requirement of mechanical strength of full rotation-speed steam turbine generator, reasonable in design, can provide technical support for opening up external wide 60Hz turbo generator market.
The accompanying drawing explanation
Fig. 1 is turbo generator structural representation of the present utility model;
In figure, 1-stator, 2-rotor, 3-end cap, 4-bearing, 5-air cooler, 6-underframe.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing, but the content that the utility model is protected is not limited to the following stated.
As shown in Figure 1, the full rotation-speed steam turbine generator of 60Hz, it comprises stator 1, rotor 2, bearing 4, air cooler 5 and underframe 6, stator 1 two ends are provided with end cap 3, one end of rotor 2 passes the center of stator 1 and end cap 3 and is fixed on underframe 6 by the bearing 4 that is positioned at side end cap 3 outsides, and stator 1 top is provided with air cooler 5.
Described stator 1 comprises support, iron core and stator coil, iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, the fanning strip two sides is coated with all the insulation paint film, be divided into vertically at least two grades, be provided with " work " font ventilation steel channel between every two grades of iron cores and support the radial ventilation ditch formed; Support is square, is convenient to install air cooler 5, adopts Plate Welding to form, and length extends two ends core end plate write out a prescription just rule and maintenance, vertically by four wallboards, forms the air inlet/outlet district, and wallboard is coated with cover plate outward, and the both sides of wallboard are welded with joint hinge; Stator coil adopts basket type half coil, and is built up by dual-fiberglass wrapped flat copper wire, and stator coil end forms an integral body by triangular supports and interlayer filler strip with washing the colligation of glass rope; Stator coil winding is on iron core, and iron core circumferentially is fixed on the support bar of support by the dovetail slot at yoke back, and iron core adopts the method for trim ring and the welding of support wall to tighten up vertically.
Generator is the individual layer fast mounting structure, the outlet copper bar of stator 1 from generator encourage the end end cap both sides draw, every side each three, and at outlet copper bar surrounding cover with armored cassette, to guarantee operation maintenance safety.
Described rotor 2 comprises rotor forging, rotor coil, rotor slot wedge, collector ring, fan, retaining ring and centering ring, rotating shaft selects the whole forging of the superior alloy steel of high magnetic conduction to form, mill out radial line embedding groove on rotor 2 bodies, and process 4 ventilation slots to strengthen cooling effect, can meet under the 3600r/min rated speed the mechanical requirement to rotor body.Rotor coil adopts copper strap wire outsourcing insulation to be made.Each circle rotor coil gasket ring oxygen glass-cloth board, and flat bag glass tape.Under retaining ring, insulation and end fixed intervals piece all adopt the cushion block jam-pack that epoxy phenol aldehyde glass cloth laminated board materials processing becomes, and then adopt bake pressure technique to form a solid integral body.Rotor slot wedge adopts duralumin, hard alumin ium alloy, and two ends adopt the forge copper slot wedge.For meeting high-revolving requirement, retaining ring selects high-intensity nonmagnetic alloy steel forgings to process, and attacks in respective rotor winding space place and bore appropriate ventilation hole, to strengthen the cooling of rotor coil end.The centrifugal fan of blade hypsokinesis is equipped with at rotor 2 two ends, and fan adopts the high-quality steel to be welded, and is the cooling circulation power that provides of generator, and it is cooling that the power of fan enters cold wind to carry out in iron core and coil.Collector ring is selected the forged steel material, and hot jacket is placed in rotor 2 body two ends, is the main diversion component to generator amature input field power supply.
Described end cap 3 is the square structure that the employing Plate Welding forms, and is provided with the lead-out wire fairlead of inspection hole, fire extinguishing tube, gas sealing mechanism and stator 1 on end cap 3.
Described bearing 4 adopts the sliding bearing of pressure forced oil-circulation, bearing 4 comprises the bearing cap at bearing pedestal, bearing two ends and the sphere bearing shell of energy automatic aligning, bearing pedestal is made of cast iron, be equipped with oil baffle on bearing cap, the vent plug of balanced oil pocket internal pressure is equipped with at the bearing pedestal top, bearing pedestal below and flange all are lined with insulating material, can prevent that shaft current from passing through.
Described air cooler 5 is positioned at the top of support and end cap 3 fixing closing by bolt, and air cooler 5 by end cap 3 input stator coil ends, on end cap 3 and support all is equipped with cold wind and measures the thermometer of importing and exporting wind-warm syndrome.
Described stator coil and iron core are equipped with the resistance temperature measurement element.
Claims (7)
1.60Hz full rotation-speed steam turbine generator, it is characterized in that: it comprises stator (1), rotor (2), bearing (4), air cooler (5) and underframe (6), stator (1) two ends are provided with end cap (3), one end of rotor (2) is through the center of stator (1) and end cap (3) and be fixed on underframe (6) above by being positioned at the outside bearing (4) of a side end cap (3), and stator (1) top is provided with air cooler (5).
2. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: described stator (1) comprises support, iron core and stator coil, iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, be divided into vertically at least two grades, be provided with " work " font ventilation steel channel between every two grades of iron cores and support the radial ventilation ditch formed; Support is square, and length extends core end plate place, two ends, vertically by four wallboards, forms the air inlet/outlet district, and wallboard is coated with cover plate outward, and the both sides of wallboard are welded with joint hinge; Stator coil adopts basket type half coil, and is built up by dual-fiberglass wrapped flat copper wire, and stator coil end forms an integral body by triangular supports and interlayer filler strip with washing the colligation of glass rope; Stator coil winding is on iron core, and iron core circumferentially is fixed on the support bar of support by the dovetail slot at yoke back, and iron core adopts the method for trim ring and the welding of support wall to tighten up vertically.
3. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: on described rotor (2) body, be milled with radial line embedding groove, and be provided with 4 ventilation slots, and rotor (2) body two ends hot jacket has collector ring, and the centrifugal fan of blade hypsokinesis is equipped with at rotor (2) two ends.
4. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: described end cap (3) is the square structure that the employing Plate Welding forms, and is provided with the lead-out wire fairlead of inspection hole, fire extinguishing tube, gas sealing mechanism and stator (1) on end cap (3).
5. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: described bearing (4) adopts the sliding bearing of pressure forced oil-circulation, bearing (4) comprises the bearing cap at bearing pedestal, bearing two ends and the sphere bearing shell of energy automatic aligning, bearing pedestal is made of cast iron, be equipped with oil baffle on bearing cap, the vent plug of balanced oil pocket internal pressure is equipped with at the bearing pedestal top, and bearing pedestal below and flange all are lined with insulating material.
6. the full rotation-speed steam turbine generator of 60Hz according to claim 1 and 2, it is characterized in that: described air cooler (5) is positioned at the top of support and end cap (3) and closes fixing by the bolt handle, air cooler (5) by end cap (3) input stator coil end, on end cap (3) and support all is equipped with cold wind and measures the thermometer of importing and exporting wind-warm syndrome.
7. the full rotation-speed steam turbine generator of 60Hz according to claim 2, it is characterized in that: described stator coil and iron core are equipped with the resistance temperature measurement element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320463197 CN203352303U (en) | 2013-07-31 | 2013-07-31 | 60Hz full-rotation speed turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320463197 CN203352303U (en) | 2013-07-31 | 2013-07-31 | 60Hz full-rotation speed turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203352303U true CN203352303U (en) | 2013-12-18 |
Family
ID=49752153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320463197 Expired - Fee Related CN203352303U (en) | 2013-07-31 | 2013-07-31 | 60Hz full-rotation speed turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203352303U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401326A (en) * | 2013-07-31 | 2013-11-20 | 东方电气集团东风电机有限公司 | 60Hz full-rotation-speed turbine generator |
| CN103700545A (en) * | 2013-12-09 | 2014-04-02 | 乐山东风汽车电器有限公司 | Electromagnetic switch with self-adaptive contact |
-
2013
- 2013-07-31 CN CN 201320463197 patent/CN203352303U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401326A (en) * | 2013-07-31 | 2013-11-20 | 东方电气集团东风电机有限公司 | 60Hz full-rotation-speed turbine generator |
| CN103401326B (en) * | 2013-07-31 | 2015-09-23 | 东方电气集团东风电机有限公司 | The full rotation-speed steam turbine generator of 60Hz |
| CN103700545A (en) * | 2013-12-09 | 2014-04-02 | 乐山东风汽车电器有限公司 | Electromagnetic switch with self-adaptive contact |
| CN103700545B (en) * | 2013-12-09 | 2016-02-24 | 乐山东风汽车电器有限公司 | The adaptive electromagnetic switch of a kind of contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20160731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |